Asteroid that killed the dinosaurs had help from volcanoes, study says - Los Angeles Times

Scientists have long blamed a single culprit in the sudden and violent mass extinction that took out the dinosaurs: an asteroid that came screaming out of the skies some 66 million years ago. But it turns out that this asteroid may have had an accomplice.

Scientists studying ancient lava flows in present-day India have also implicated the massive volcanic eruptions started right around the same time that the asteroid hit – eruptions that, together with the impact, would have filled the air and covered the earth with toxic fumes and dust, driving countless species to extinction.

Read Full Story